package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * 使用预编译SQL执行DML操作
 */
public class Demo9 {
    public static void main(String[] args)  {
        try(Connection conn = DBUtil.getConnection()){
            String sql = "INSERT INTO user(name,password,nickname,age) " +
                    "VALUES (?,?,?,?)";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1,"zhangsan");
            ps.setString(2,"123456");
            ps.setString(3,"张三");
            ps.setInt(4,20);
            int num = ps.executeUpdate();
            System.out.println(num>0?"注册成功":"注册失败");
        }catch (SQLException e){
            e.printStackTrace();
        }
    }
}
